jvmCommonMain.kotbase.ext.CertificateExt.kt Maven / Gradle / Ivy

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Couchbase Lite Community Edition for Kotlin Multiplatform

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/*
 * Copyright 2022-2023 Jeff Lockhart
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package kotbase.ext

import java.io.ByteArrayInputStream
import java.security.cert.Certificate
import java.security.cert.CertificateFactory

internal expect fun ByteArray.toBase64String(): String

public fun ByteArray.toCertificate(
    certFactory: CertificateFactory = CertificateFactory.getInstance("X.509")
): Certificate {
    val base64 = "-----BEGIN CERTIFICATE-----\n${toBase64String()}\n-----END CERTIFICATE-----"
    val inputStream = ByteArrayInputStream(base64.encodeToByteArray())
    return certFactory.generateCertificate(inputStream)
}

public fun List.toCertificates(
    certFactory: CertificateFactory = CertificateFactory.getInstance("X.509")
): List =
    map { it.toCertificate(certFactory) }

public fun Certificate.toByteArray(): ByteArray = encoded